Finding the Fourth Proportional to 1,142,681.34, 1,576,900.02 and 626,438.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,681.34 : 1,576,900.02 = 626,438.89 : x
2. Step 2: Convert to fraction form
   1,142,681.34/1,576,900.02 = 626,438.89/x
3. Step 3: Cross multiply
   1,142,681.34x = 1,576,900.02 × 626,438.89
4. Step 4: Simplify right side
   1,142,681.34x = 987,831,490,096.27
5. Step 5: Solve for x
   x = 987,831,490,096.27/1,142,681.34
6. Step 6: Final answer
   x = 864,485.54